Heavyweight wool Based on the tag I think this is from the '70s or '80s Great shape with just a minor fading / wear on inside collar fabric per pics The sizing is equivalent to a woman's large Measurements laying flat are: Armpit to armpit across the bust is 21.5 in Shoulder to shoulder measured across the back seams is 19 in Length from shoulder to hem is 23.5 in From shoulder to cuff measuring the length of length of the sleeves is 21 in